PLEASE HELP How many moles of CoCl3 are in 172.6 ml of a 19.6 mass % solution of CoCl3 which has a density of 1.206 g/ml?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull